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<div><a href="../../index.html">Home</a> &gt;  <a href="../index.html">CO4OI</a> &gt; <a href="index.html">operators</a> &gt; Ayz.m</div>

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<h1>Ayz
</h1>

<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong></strong></div>

<h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="box"><strong>function [ Xhat ] = Ayz( x,yhat,zhat,T ) </strong></div>

<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre class="comment">
 Ayz operator A_{yz}(x) \equiv A(x \otimes y \otimes z) fixing variables y
 and z</pre></div>

<!-- crossreference -->
<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../../matlabicon.gif)">
</ul>
This function is called by:
<ul style="list-style-image:url(../../matlabicon.gif)">
</ul>
<!-- crossreference -->



<h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../../up.png"></a></h2>
<div class="fragment"><pre>0001 <a name="_sub0" href="#_subfunctions" class="code">function [ Xhat ] = Ayz( x,yhat,zhat,T )</a>
0002 <span class="comment">%</span>
0003 <span class="comment">% Ayz operator A_{yz}(x) \equiv A(x \otimes y \otimes z) fixing variables y</span>
0004 <span class="comment">% and z</span>
0005 
0006 n=sqrt(size(yhat,1));m=n;
0007 xhat=1/n*fft2(reshape(x,n,m));xhat=xhat(:);
0008 
0009 Xhat=zeros(size(T,1),1);
0010 
0011 
0012 <span class="keyword">for</span> i=1:size(T,1)
0013     
0014     Xhat(i,1)=xhat(T(i,1))*yhat(T(i,2))*zhat(T(i,3));
0015     <span class="comment">%i=i+1;</span>
0016 <span class="keyword">end</span>
0017         
0018        
0019 
0020 <span class="keyword">end</span>
0021</pre></div>
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